remove duplicate migration file

db/migrate/20221222140427_remove_duplicate_permalinks.rb

+class RemoveDuplicatePermalinks < ActiveRecord::Migration[7.0]
+  def change
+    attributes = [:about_id, :about_type, :website_id, :path]
+    duplicates_per_input = Communication::Website::Permalink.select(*attributes).group(*attributes).having("COUNT(*) > 1").size
+    duplicates_per_input.keys.each do |key|
+      about_id, about_type, website_id, path = key
+      permalinks = Communication::Website::Permalink.where(about_id: about_id, about_type: about_type, website_id: website_id, path: path).order(:created_at)
+      current_permalink = permalinks.detect(&:is_current?)
+      if current_permalink.present?
+        # Remove all non-current permalinks with this path
+        permalinks.where(is_current: false).each(&:destroy)
+      else
+        # Remove all permalinks with this path except the most recent one
+        permalinks.where.not(id: permalinks.last.id).each(&:destroy)
+      end
+    end
+  end
+end